Downdraft gasifier with improved stability
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United States of America Patent
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Sep 30, 2014
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N/A
app pub date -
Jan 18, 2011
filing date -
Jan 19, 2010
priority date (Note) -
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Abstract
A downdraft gasifier (1) has an oxidant inlet (3), a biomass injector (2), a grate (9), a gas exit port (7), and an ash removal system (11). A sensor (10) maintains the height of the bed and a rotating paddle (5) maintains the top of the bed (4) at an even height. The grate arrangement (9) is preferably a sliding grate arrangement which actively moves ash material through the grate. An in-bed oxidant distributor (6) injects oxidant within the bed.
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